ROBINSON AND GREENMAN. — GENUS MIKANIA. 13 
Willd. Spec. iii. 1744, but apparently very different from Aublet’s plate 
of Eupatorium parviflorum, Pl. Guian. ii. t. 8315. — Nicaragua and 
Panama, acc. to Hemsley. 
+ + Scales of the involucre obtuse: leaves cordate-hastate at the base. 
10. M. punctata, Klatt, 1. c. Heads described as 7-flowered. — 
Clairiéres du Général, Costa Rica, Pittier, no. 3434, and banks of a 
stream at Buenos Ayres by same collector, no. 4934. 
+ + + Scales of the involucre acute: leaves cordate or hastate, rarely 
subtruncate at the base. 
11. M. cordifolia, Willd. 1. c. 1746. J. suaveolens, HBK. Nov. 
Gen. & Spec. iv. 135. I. gonoclada, DC. Prodr. v. 199. MM. Fendlert, 
Klatt, Abh. Naturf. Gesellsch. Halle, xv. 4 (of reprint). — W. Louisiana, 
Hale ; Mexico, San Luis Potosi, Palmer, nos. 1079, 1115, and on rocky 
slopes of Tamasopa Cafion, Pringle, no. 3928; Colima, Palmer, no. 
1207; Acapulco, Palmer, no. 565; Cordova, Bourgeau, no. 1812; 
Wartenberg, Huasteca, ELrvendberg, no. 82; Mirador, Sartorius ; also 
Somewhat doubtful specimens from Guatemala, altitude 4,600 feet, 
Donnell Smith, no. 2366, and Navarro, Costa Rica, by the same collector, 
no. 4855, 
* * Heads decidedly smaller, 24 to 3 lines in length. 
12. M. scandens, Willd. 1.¢.1743. Leaves smoothish, acuminate ; 
hastate basal lobes little spreading. — M. Orinocensis, HBK. 1. ¢. 134. 
Eupatorium scandens, L. Spec. ii. 836; Jacq. Ic. Rar. t. 169. — From 
aye Eng. to W. Canada, Florida, and Texas ; Mexico, Victoria, Tamau- 
lipas, Berlandier, nos. 852, 2272; San Blas, W. G. Wright, no. 1389; 
Cordova, Bourgeau, nos. 1632, 2184; Orizaba, Botteri; Oaxaca at Cui- 
catlan, Z. Smith, no. 247, and near Reyes, Z. W. Nelson, no. 1861; 
Guatemala, Esquintla, Hayes, Masagua, Donnell Smith, no. 2394, and 
Ambelice, Heyde § Lux (no. 3434 of Donnell Smith’s sets); Nicaragua, 
C. Wright ; Panama, Seemann ; also W. India, Trop. Am., and warmer 
Parts of the Old World. 
. M. denticulata, Willd. 1. c 1744. Leaves very scabrous, 
obtusish, hastate basal lobes widely spreading. —S. Mexico at Jalapa 
te Lessing ; Guiana, Schomburgk. 
Dubious species. 
ed ANGULATA, M. repanpA, and M, Trarrxcoran, La Llave, El 
Rae - Mexicano, ii. 299 ; Seemann in Hook. Jour. Bot. & Kew Mise. 
» ‘tom Cordova and vicinity, are unrecognized species founded solely 
— foliar and very doubtful characters. 
tas CORTACEA, La Llave, 1. c., Seemann, |. ¢., is from its alternate 
Positively to be thrown ont of the genus. 
